Suitcase



FIG. 1 is a front elevational view of a suitcase showing our new design;

FIG. 2 is a rear elevational view of the suitcase;

FIG. 3 is a top plan view of the suitcase;

FIG. 4 is a bottom plan view of the suitcase; and

FIG. 5 is an elevational view of one end of the suitcase, which end is similar in appearance to the other end. 

The ornamental design for a suitcase, substantially as shown and described. 